Da River
E525260
Da River is a major river in northern Vietnam and a key tributary of the Red River, known for its hydroelectric dams and scenic mountainous landscapes.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T4953214 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Da River Context triple: [Northwestern Vietnam, hasRiver, Da River]
-
A.
Addalam River
The Addalam River is a significant waterway in the Cagayan Valley region of the Philippines, contributing to local agriculture, ecosystems, and communities.
-
B.
Kosa River
The Kosa River is a waterway in Russia that flows through the Perm Krai region as part of the Kama River basin.
-
C.
Beni River
The Beni River is a major waterway in northern Bolivia that flows through the Amazon Basin, supporting rich biodiversity and local communities along its course.
-
D.
Ngadda River
The Ngadda River is a waterway in northeastern Nigeria that flows through the city of Maiduguri and contributes to the region’s drainage into Lake Chad.
-
E.
Nadi River
The Nadi River is a significant river in western Fiji that flows through the town of Nadi before emptying into the Pacific Ocean, influencing local agriculture, settlement, and flood patterns.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Da River Target entity description: Da River is a major river in northern Vietnam and a key tributary of the Red River, known for its hydroelectric dams and scenic mountainous landscapes.
-
A.
Addalam River
The Addalam River is a significant waterway in the Cagayan Valley region of the Philippines, contributing to local agriculture, ecosystems, and communities.
-
B.
Kosa River
The Kosa River is a waterway in Russia that flows through the Perm Krai region as part of the Kama River basin.
-
C.
Beni River
The Beni River is a major waterway in northern Bolivia that flows through the Amazon Basin, supporting rich biodiversity and local communities along its course.
-
D.
Ngadda River
The Ngadda River is a waterway in northeastern Nigeria that flows through the city of Maiduguri and contributes to the region’s drainage into Lake Chad.
-
E.
Nadi River
The Nadi River is a significant river in western Fiji that flows through the town of Nadi before emptying into the Pacific Ocean, influencing local agriculture, settlement, and flood patterns.
- F. None of above. chosen
Statements (36)
| Predicate | Object |
|---|---|
| instanceOf | river ⓘ |
| basinCountry | Vietnam NERFINISHED ⓘ |
| continent | Asia ⓘ |
| country |
Viet Nam
ⓘ
surface form:
Vietnam
|
| drainageBasin | Gulf of Tonkin NERFINISHED ⓘ |
| flowsInto | Red River NERFINISHED ⓘ |
| flowsThrough |
Dien Bien Province
NERFINISHED
ⓘ
Hoa Binh Province NERFINISHED ⓘ Lai Chau Province NERFINISHED ⓘ Son La Province NERFINISHED ⓘ |
| hasDam |
Hoa Binh Dam
NERFINISHED
ⓘ
Lai Chau Dam NERFINISHED ⓘ Son La Dam NERFINISHED ⓘ |
| hasFeature |
karst landscapes
ⓘ
reservoirs behind large dams ⓘ steep mountain valleys ⓘ |
| hasHydropowerCascade | Da River hydropower cascade ⓘ |
| importance |
key water resource for northern Vietnam
ⓘ
major source of electricity for Vietnam ⓘ |
| knownFor |
hydroelectric dams
ⓘ
scenic mountainous landscapes ⓘ |
| languageName_vi | Sông Đà NERFINISHED ⓘ |
| locatedIn | northern Vietnam ⓘ |
| mouthLocation | confluence with Red River in northern Vietnam ⓘ |
| partOf |
Red River basin
NERFINISHED
ⓘ
Red River system NERFINISHED ⓘ |
| region | Southeast Asia ⓘ |
| sourceRegion | northwestern Vietnam NERFINISHED ⓘ |
| tourismActivity |
boat tours
ⓘ
cultural tourism in ethnic minority areas ⓘ landscape photography ⓘ |
| tributaryOf | Red River NERFINISHED ⓘ |
| usedFor |
fisheries
ⓘ
hydroelectric power generation ⓘ irrigation ⓘ transportation ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Da River Description of subject: Da River is a major river in northern Vietnam and a key tributary of the Red River, known for its hydroelectric dams and scenic mountainous landscapes.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Northwestern Vietnam
this entity surface form:
Dao River
subject surface form:
Northern Vietnam